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  • The X-NUCLEO-S2868A1 expansion board is based on the S2-LP radio and operates in the 868 MHz ISM frequency band.

    The expansion board is compatible with ST morpho and Arduino UNO R3 connectors.
    The X-NUCLEO-S2868A1 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins. You can change some of the GPIOs by mounting or removing the resistors.

    Key Features

    • Based on S2-LP radio
    • S2-LP narrow band ultra-low power sub-1 GHz transceiver tuned for 860 - 940 MHz frequency band
    • Programmable RF output power up to +16 dBm
    • Modulation schemes: 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK and ASK
    • Air data rate from 0.1 to 500 kbps
    • Ultra-low power consumption: 7 mA RX and 10 mA TX at +10 dBm
    • IEEE 802.15.4g hardware packet support with whitening, FEC, CRC and dual SYNC word detection
    • RX and TX 128 byte FIFO buffers
    • Support to wireless M-Bus
    • Excellent performance of receiver sensitivity (up to -130 dBm)
    • Automatic acknowledgement, retransmission and timeout protocol engine
    • Compatible with STM32 Nucleo boards
    • Compatible with Arduino UNO R3 connectors
    • Support to SMD and SMA antennas
    • BALF-SPI2-01D3 IPD balun for matching network and harmonics filter
    • Sigfox compatible
    • Sample firmware for P2P communication
    • 6LoWPAN compatible thanks to STM32Cube
    • RoHS compliant

Sample & Buy

Part Number
Marketing Status
Core Product
Board production status
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
Order from ST
Order from Distributors
X-NUCLEO-S2868A1
NRND
S2-LP, BALF-SPI2-01D3 Temporary out of stock EAR99 ITALY 37.5 / 1 No availability of distributors reported, please contact our sales office

X-NUCLEO-S2868A1

Marketing Status

NRND

Core Product

S2-LP, BALF-SPI2-01D3

Budgetary Price (US$)*/Qty

37.5 / 1

Board production status

Temporary out of stock

Budgetary Price (US$)* / Qty

37.5 / 1

ECCN (US)

EAR99

Country of Origin

ITALY

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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      STM32Cube function pack for IoT tracker node with Sigfox™ connectivity, Bluetooth connectivity and sensors

      Sub-1 GHz RF communication software expansion for STM32Cube

Evaluation Tools

    • Part Number

      STM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity

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      STM32 Nucleo-64 development board with STM32L152RE MCU, supports Arduino and ST morpho connectivity

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB3602
      Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo
      1.0
      551.43 KB
      PDF
      DB3602

      Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo

    • Description Version Size Action
      UM1904
      Getting started with X-CUBE-SUBG1, Sub-1 GHz RF software expansion for STM32Cube
      4.0
      2.96 MB
      PDF
      UM2405
      Getting started with the X-NUCLEO-S2868A1 Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo
      3.0
      1.13 MB
      PDF
      UM1904

      Getting started with X-CUBE-SUBG1, Sub-1 GHz RF software expansion for STM32Cube

      UM2405

      Getting started with the X-NUCLEO-S2868A1 Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo

Hardware Resources

    • Description Version Size Action
      X-NUCLEO-S2868A1 GERBER 1.0
      1.37 MB
      ZIP

      X-NUCLEO-S2868A1 GERBER

    • Description Version Size Action
      X-NUCLEO-S2868A1 BOM 2.0
      46.92 KB
      PDF

      X-NUCLEO-S2868A1 BOM

    • Description Version Size Action
      X-NUCLEO-S2868A1 SCHEMATIC 2.0
      130.81 KB
      PDF

      X-NUCLEO-S2868A1 SCHEMATIC

Publications and Collaterals

    • Description Version Size Action
      Complete Ecosystem for Sigfox™ IoT devices 1.0
      830.96 KB
      PDF

      Complete Ecosystem for Sigfox™ IoT devices

    • Description Version Size Action
      STM32 Open Development Environment Brochure 17.09
      1.21 MB
      PDF

      STM32 Open Development Environment Brochure

Part Number Marketing Status RoHS Compliance Grade Material Declaration**
X-NUCLEO-S2868A1
NRND
Ecopack2

X-NUCLEO-S2868A1

Package:

Ecopack2

Material Declaration**:

Marketing Status

NRND

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.